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Further Observations on the Packed Cell Volume and Haemoglobin Concentration Incatile Naturally Infected with Fasciola Gigantica

M. M. R. Howlader
Department of Physiology, Biochemistry and Pharmacology, Sylhet Government Veterinary College, Tilagor, Sylhet-3100, Bangladesh

S. Begum
Department of Physiology, Biochemistry and Pharmacology, Sylhet Government Veterinary College, Tilagor, Sylhet-3100, Bangladesh

Kh. N. Islam
Department of Anatomy and Histology, Sylhet Government Veterinary College, Tilagor, Sylhet-3100, Bangladesh

M. A. Hae
Department of Physiology, Biochemistry and Pharmacology, Sylhet Government Veterinary College, Tilagor, Sylhet-3100, Bangladesh

M. Q, Hossain
Thana livestock Officer, Shahjadpur, Sirajgonj, Bangladesh.

Abstract/ Executive Summary:

The changes on packed cell volume ( PCV ) and haemoglobin ( Hb ) in zebu cattle infected with Fasciola gigantica were studied in two age and two season groups during the period from November 1999 to June 2000. Eighty-eight selected cattle were divided into two age groups, 2.5 to 5.5 years ( n = 44; 22 infected & 22 uninfected control ) and 6.0 to 9.0 years ( n 44; 22 + 22 cattle), and similarly two seasons, winter (n = 22 + 22) and summer (n = 22 + 22) were used for this study. Blood samples were collected in glass vials contained EDTA anticoagulant for each age group of all animals in summer and winter seasons. PCV was determined using microhematocrit and Hb concentration by cyanomethemoglobin methods. The PCV of F. gigantica infected cattle were significantly (p < O.oJ) lower than the non-infected control animals. The average PCV obtained were 24.43% and 32.33% for F. gigantica infected and non-infected cattle, respectively. The Hb concentrations of infected cattle were significantly (p < 0.01) lower than the non-infected control animals. The average Hb values found were 7.59 and 10.13 g% for F. gigantica infected and non infected cattle, respectively. There was no significant effect of age and season on the values of PCV and Hb concentrations in infected and non-infected cattle.

Keywords: Zebu cattle, Fasciola gigantica, Packed cell volume, Haemoglobin concentration

Location: Sirajgonj district of Bangladesh.

Start Date: 00-11-1999

End Date: 00-06-2000

Program Area: Animal Health and Management

Commodity: Cattle

Objectives:

This paper describes the changes of PCV and Hb of naturally F. gigantica infected zebu cattle in Sirajgonj district of Bangladesh.

Methodology:

Eighty eight zebu cattle of two age groups of 2.5 to 5.5 and 6.0 to 9.0 years old were used in this study during the period from November 1999 to June 2000. Faecal samples were collected from a large number of zebu cattle of the study area to select the F. gigantica infected and control animals. A total of 44 zebu cattle having F. gigantica infection with faecal egg count above 400 epg (egg per gram of faeces) were included as infected group. While a total of 44 cattle apparently healthy and negative for F. gigantica and other parsites on microscopjc faecal examination were included as non-infected control group. Faecal samples were collected directly from the rectum of each animal at fortnightly interval for a period of one year and examined using Stoll's ova counting technique. Number of egg per gram of faeces was determined by examining five slides for each sample that were prepared with the emulsified faecal solution. The absence of helminth parasite egg for three subsequent fortnightly faecal examinations was considered as gastro-intestinal parasite free animals. For each age group 22 blood samples were collected in summer (March-June) and winter (November-February) seasons. About 5 ml blood was collected from the jugular vein in glass vials containing EDTA as anticoagulant. Each blood sample collected from the study animals was analyzed in triplicates for PCV and Hb concentrations. The PCV was determined following microhernatocrit and Hb by cyanmethemoglobin methods (Coles, 1980). A two-factor factorial experiment in a randomized complete block design was done. Season and age group were two factors, each with two levels. Comparisons based on the least significant difference at 5% were done between the means of infected and control group in each season and age group.

Source of Information: Bangl. J. Vet. Med. (2004). 2 (2): 125-127

Article Link (Online Journal):

Funding Source:

Total Budget (Tk.) :

Achievement/Findings:

The PCV of F. gigantica infected cattle were significantly (p < O.oJ) lower than the non-infected control animals. The average PCV obtained were 24.43% and 32.33% for F. gigantica infected and non-infected cattle, respectively. The Hb concentrations of infected cattle were significantly (p < 0.01 ) lower than the non-infected control animals. The average Hb values found were 7.59 and 10.13 g% for F. gigantica infected and non infected cattle, respectively. There was no significant effect of age and season on the values of PCV and Hb concentrations in infected and non-infected cattle.

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